Hope, Ashley E., Jocelyn (Joey) M. Farrell, and Sandi J. Spaulding. “Understanding Older owners’ Motivation to Dog-Walk Utilizing the Self-Determination Theory”. The Health & Fitness Journal of Canada 7, no. 3 (September 30, 2014): 3–17. Accessed May 6, 2024. https://hfjc.library.ubc.ca/index.php/HFJC/article/view/172.